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{{Short description|German World War II submarine}}
{{Use dmy dates|date=April 2016}}
{{Use dmy dates|date=April 2016}}
{|{{Infobox ship begin}}
{|{{Infobox ship begin}}
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|Ship class=[[Type XXI submarine]]
|Ship class=[[Type XXI submarine]]
|Ship displacement=
|Ship displacement=
*{{convert|1621|t|LT|0|lk=out|abbr=on}} surfaced
*{{convert|1621|t|LT|0|lk=on|abbr=on}} surfaced
*{{convert|1819|t|LT|0|abbr=on}} submerged
*{{convert|1819|t|LT|0|abbr=on}} submerged
|Ship length=
|Ship length=
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*6 × bow [[torpedo tube]]s
*6 × bow [[torpedo tube]]s
*23 × {{convert|53.3|cm|in|0|abbr=on}} [[torpedo]]es ''or'' 17 × torpedoes and 12 × TMC [[Naval mine|mine]]s
*23 × {{convert|53.3|cm|in|0|abbr=on}} [[torpedo]]es ''or'' 17 × torpedoes and 12 × TMC [[Naval mine|mine]]s
*4 × [[2 cm Flak 30/38/Flakvierling|{{convert|2|cm|in|1|abbr=on}} AA guns]] or
*4 × [[2 cm Flak 30, Flak 38 and Flakvierling 38|{{convert|2|cm|in|1|abbr=on}} AA guns]] or
*4 × [[3.7 cm Flak 18/36/37/43|{{convert|3.7|cm|in|1|abbr=on}} AA guns]]
*4 × [[3.7 cm Flak 18/36/37/43|{{convert|3.7|cm|in|1|abbr=on}} AA guns]]
|Ship notes=
|Ship notes=
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|label=Service record
|label=Service record
|partof=
|partof=
*[[4th U-boat Flotilla]] (Training)
*[[4th U-boat Flotilla]]
*12 January 1945 – 2 May 1945
*12 January – 2 May 1945
|codes=
|codes=M 49 972
|commanders=
|commanders=
*''[[Oblt.z.S.]]'' Kurt van Meeteren<ref>{{cite web
*''[[Oblt.z.S.]]'' Kurt van Meeteren<ref>{{cite web
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|first=Guðmundur
|first=Guðmundur
|website=German U-boats of WWII - uboat.net
|website=German U-boats of WWII - uboat.net
|accessdate=15 April 2016
|access-date=15 April 2016
}}</ref>
}}</ref>
*12 January 1945 – 2 May 1945
*12 January – 2 May 1945
|operations=No patrols
|operations=None
|victories=None
|victories=None
}}
}}
|}
|}


'''German submarine ''U-3021''''' was a [[Type XXI submarine|Type XXI]] [[U-boat]] (one of the "''[[Elektroboot]]e''") of [[Nazi Germany]]'s ''[[Kriegsmarine]]'', built for service in [[World War II]]. She was ordered on 6 November 1943, and was [[Keel laying|laid down]] on 26 September 1944 at [[AG Weser]], [[Bremen]] as yard number 1180. She was [[Ceremonial ship launching|launched]] on 27 November 1944, and [[Ship commissioning|commissioned]] under the command of ''[[Oberleutnant zur See]]'' Kurt van Meeteren, on 12 January 1945.<ref name="uboat">{{cite web
'''German submarine ''U-3021''''' was a [[Type XXI submarine|Type XXI]] [[U-boat]] (one of the "''[[Elektroboot]]e''") of [[Nazi Germany]]'s ''[[Kriegsmarine]]'', built for service in [[World War II]]. She was ordered on 6 November 1943, and was [[Keel laying|laid down]] on 26 September 1944 at [[AG Weser]], [[Bremen]] as yard number 1180. She was [[Ceremonial ship launching|launched]] on 27 November 1944, and [[Ship commissioning|commissioned]] under the command of ''[[Oberleutnant zur See]]'' Kurt van Meeteren on 12 January 1945.<ref name="uboat">{{cite web
|url=http://uboat.net/boats/u3021.htm
|url=http://uboat.net/boats/u3021.htm
|title=U-3021
|title=U-3021
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|first=Guðmundur
|first=Guðmundur
|website=German U-boats of WWII - uboat.net
|website=German U-boats of WWII - uboat.net
|accessdate=15 April 2016
|access-date=15 April 2016
}}</ref>
}}</ref>


==Design==
==Design==
Like all [[Type XXI submarine|Type XXI]] [[U-boat]]s, ''U-3021'' had a displacement of {{convert|1621|t|LT}} when at the surface and {{convert|1819|t|LT}} while submerged. She had a total length of {{convert|76.70|m|ftin|abbr=on}} ([[o/a]]), a beam length of {{convert|8|m|ftin|abbr=on}}, and a draught length of {{convert|6.32|m|ftin|abbr=on}}.{{sfn|Gröner|1991|p=85}} The submarine was powered by two [[MAN SE]] supercharged six-cylinder M6V40/46KBB diesel engines each providing {{convert|4000|PS|kW shp|lk=on|abbr=off}}, two [[Siemens-Schuckert]] GU365/30 [[Motor–generator|double-acting]] electric motors each providing {{convert|5000|PS|kW shp|abbr=on}}, and two Siemens-Schuckert [[Silent running (submarine)|silent running]] GV232/28 electric motors each providing {{convert|226|PS|kW shp|abbr=on}}.{{sfn|Gröner|1991|p=85}}
Like all [[Type XXI submarine|Type XXI]] [[U-boat]]s, ''U-3021'' had a displacement of {{convert|1621|t|LT}} when at the surface and {{convert|1819|t|LT}} while submerged. She had a total length of {{convert|76.70|m|ftin|abbr=on}} ([[o/a]]), a beam of {{convert|8|m|ftin|abbr=on}}, and a draught of {{convert|6.32|m|ftin|abbr=on}}.{{sfn|Gröner|1991|p=85}} The submarine was powered by two [[MAN SE]] supercharged six-cylinder M6V40/46KBB diesel engines each providing {{convert|4000|PS|kW shp|lk=on|abbr=off}}, two [[Siemens-Schuckert]] GU365/30 [[Motor–generator|double-acting]] electric motors each providing {{convert|5000|PS|kW shp|abbr=on}}, and two Siemens-Schuckert [[Silent running (submarine)|silent running]] GV232/28 electric motors each providing {{convert|226|PS|kW shp|abbr=on}}.{{sfn|Gröner|1991|p=85}}


The submarine had a maximum surface speed of {{convert|15.6|kn}} and a submerged speed of {{convert|17.2|kn}}. When running on silent motors the boat could operate at a speed of {{convert|6.1|kn}}. When submerged, the boat could operate at {{convert|5|kn}} for {{convert|340|nmi}}; when surfaced, she could travel {{convert|15500|nmi}} at {{convert|10|kn}}.{{sfn|Gröner|1991|p=85}} ''U-3021'' was fitted with six {{convert|53.3|cm|in|abbr=on}} [[torpedo tube]]s in the bow and four [[2 cm FlaK 30|{{convert|2|cm|in|sp=us|abbr=on}} C/30]] [[anti-aircraft warfare|anti-aircraft guns]]. She could carry twenty-three [[torpedo]]es or seventeen torpedoes and twelve [[Naval mine|mines]]. The [[Ship's company|complement]] was five officers and fifty-two men.{{sfn|Gröner|1991|p=85}}
The submarine had a maximum surface speed of {{convert|15.6|kn}} and a submerged speed of {{convert|17.2|kn}}. When running on silent motors the boat could operate at a speed of {{convert|6.1|kn}}. When submerged, the boat could operate at {{convert|5|kn}} for {{convert|340|nmi}}; when surfaced, she could travel {{convert|15500|nmi}} at {{convert|10|kn}}.{{sfn|Gröner|1991|p=85}} ''U-3021'' was fitted with six {{convert|53.3|cm|in|abbr=on}} [[torpedo tube]]s in the bow and four [[2 cm FlaK 30|{{convert|2|cm|in|sp=us|abbr=on}} C/30]] [[anti-aircraft warfare|anti-aircraft guns]]. She could carry twenty-three [[torpedo]]es or seventeen torpedoes and twelve [[Naval mine|mines]]. The [[Ship's company|complement]] was five officers and fifty-two men.{{sfn|Gröner|1991|p=85}}
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==Bibliography==
==Bibliography==
{{Refbegin}}
{{Refbegin}}
*{{cite book | last1 = Busch | first1 = Rainer | last2 = Röll | first2 = Hans-Joachim | translator-last = Brooks | translator-first = Geoffrey | title = German U-boat commanders of World War II : a biographical dictionary | publisher = Greenhill Books, Naval Institute Press | location = London, Annapolis, Md | year = 1999 | isbn = 1-55750-186-6 | ref = harv}}
*{{cite book | last1 = Busch | first1 = Rainer | last2 = Röll | first2 = Hans-Joachim | translator-last = Brooks | translator-first = Geoffrey | title = German U-boat commanders of World War II : a biographical dictionary | publisher = Greenhill Books, Naval Institute Press | location = London, Annapolis, Md | year = 1999 | isbn = 1-55750-186-6 }}
*{{cite book |last1=Busch |first1=Rainer |last2=Röll |first2=Hans-Joachim |title=Der U-Boot-Krieg, 1939-1945: Deutsche U-Boot-Verluste von September 1939 bis Mai 1945|trans-title=German U-boat losses from September 1939 to May 1945 |date=1999|volume=IV |publisher=Mittler|location=Hamburg, Berlin, Bonn |isbn=3-8132-0514-2 |url=https://books.google.com/books?id=vXKwAAAAIAAJ |language=de}}
*{{cite book
|last1=Busch
|first1=Rainer
|last2=Röll
|first2=Hans-Joachim
|title=Deutsche U-Boot-Verluste von September 1939 bis Mai 1945
|trans-title=German U-boat losses from September 1939 to May 1945
|work=Der U-Boot-Krieg
|volume=IV
|publisher=Mittler
|location=Hamburg, Berlin, Bonn
|year=1999
|isbn=3-8132-0514-2
|language=German
}}
*{{cite book
*{{cite book
|last1=Gröner
|last1=Gröner
|first1=Erich
|first1=Erich
|author-link1=
|author-mask1=
|last2=Jung
|last2=Jung
|first2=Dieter
|first2=Dieter
|display-authors=
|last-author-amp=
|last3=Maass
|last3=Maass
|first3=Martin
|first3=Martin
Line 147: Line 130:
|title=U-boats and Mine Warfare Vessels
|title=U-boats and Mine Warfare Vessels
|volume=2
|volume=2
|work=German Warships 1815–1945
|series=German Warships 1815–1945
|location=London
|location=London
|publisher=Conway Maritime Press
|publisher=Conway Maritime Press
|isbn=0-85177-593-4
|isbn=0-85177-593-4
|ref=CITEREFGröner1991
|ref=CITEREFGr.C3.B6ner1991
}}
}}


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|first=Guðmundur
|first=Guðmundur
|website=German U-boats of WWII - uboat.net
|website=German U-boats of WWII - uboat.net
|accessdate=15 April 2016
|access-date=15 April 2016
}}
}}


{{German Type XXI submarines}}
{{German Type XXI submarines}}
{{May 1945 shipwrecks}}
{{May 1945 shipwrecks}}
{{Subject bar
| portal1=Military of Germany
| portal2=World War II
}}


{{DEFAULTSORT:U3021}}
{{DEFAULTSORT:U3021}}

Latest revision as of 00:16, 27 August 2024

History
Nazi Germany
NameU-3021
Ordered6 November 1943
BuilderAG Weser, Bremen
Yard number1180
Laid down26 September 1944
Launched27 November 1944
Commissioned12 January 1945
FateScuttled on 2 May 1945
General characteristics
Class and typeType XXI submarine
Displacement
  • 1,621 t (1,595 long tons) surfaced
  • 1,819 t (1,790 long tons) submerged
Length
  • 76.70 m (251 ft 8 in) (o/a)
  • 60.50 m (198 ft 6 in) (p/h)
Beam
  • 8 m (26 ft 3 in) (o/a)
  • 5.3 m (17 ft 5 in) (p/h)
Height11.30 m (37 ft 1 in)
Draught6.32 m (20 ft 9 in)
Installed power
  • 4,000 PS (2,900 kW; 3,900 shp) (diesel drive)
  • 5,000 PS (3,700 kW; 4,900 shp) (standard electric drive)
  • 226 PS (166 kW; 223 shp) (silent electric drive)
Propulsion
Speed
  • Surfaced:
  • 15.6 knots (28.9 km/h; 18.0 mph) (diesel)
  • 17.9 knots (33.2 km/h; 20.6 mph) (electric)
  • Submerged:
  • 17.2 knots (31.9 km/h; 19.8 mph) (electric)
  • 6.1 knots (11.3 km/h; 7.0 mph) (silent running motors)
Range
  • 15,500 nmi (28,700 km; 17,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 340 nmi (630 km; 390 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth280 m (920 ft)
Complement57–60 crewmen
Sensors and
processing systems
Armament
Service record
Part of:
Identification codes: M 49 972
Commanders:
Operations: None
Victories: None

German submarine U-3021 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 26 September 1944 at AG Weser, Bremen as yard number 1180. She was launched on 27 November 1944, and commissioned under the command of Oberleutnant zur See Kurt van Meeteren on 12 January 1945.[2]

Design

[edit]

Like all Type XXI U-boats, U-3021 had a displacement of 1,621 tonnes (1,595 long tons) when at the surface and 1,819 tonnes (1,790 long tons) while submerged. She had a total length of 76.70 m (251 ft 8 in) (o/a), a beam of 8 m (26 ft 3 in), and a draught of 6.32 m (20 ft 9 in).[3] The submarine was powered by two MAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing 4,000 metric horsepower (2,900 kilowatts; 3,900 shaft horsepower), two Siemens-Schuckert GU365/30 double-acting electric motors each providing 5,000 PS (3,700 kW; 4,900 shp), and two Siemens-Schuckert silent running GV232/28 electric motors each providing 226 PS (166 kW; 223 shp).[3]

The submarine had a maximum surface speed of 15.6 knots (28.9 km/h; 18.0 mph) and a submerged speed of 17.2 knots (31.9 km/h; 19.8 mph). When running on silent motors the boat could operate at a speed of 6.1 knots (11.3 km/h; 7.0 mph). When submerged, the boat could operate at 5 knots (9.3 km/h; 5.8 mph) for 340 nautical miles (630 km; 390 mi); when surfaced, she could travel 15,500 nautical miles (28,700 km; 17,800 mi) at 10 knots (19 km/h; 12 mph).[3] U-3021 was fitted with six 53.3 cm (21.0 in) torpedo tubes in the bow and four 2 cm (0.79 in) C/30 anti-aircraft guns. She could carry twenty-three torpedoes or seventeen torpedoes and twelve mines. The complement was five officers and fifty-two men.[3]

Fate

[edit]

U-3021 was scuttled on 2 May 1945, at Travemünde, as part of Operation Regenbogen. The wreck was later raised and broken up.[2]

References

[edit]
  1. ^ Helgason, Guðmundur. "Kurt van Meeteren". German U-boats of WWII - uboat.net. Retrieved 15 April 2016.
  2. ^ a b Helgason, Guðmundur. "U-3021". German U-boats of WWII - uboat.net. Retrieved 15 April 2016.
  3. ^ a b c d Gröner 1991, p. 85.

Bibliography

[edit]
  • Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN 1-55750-186-6.
  • Busch, Rainer; Röll, Hans-Joachim (1999). Der U-Boot-Krieg, 1939-1945: Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945] (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
[edit]
  • Helgason, Guðmundur. "U-3021". German U-boats of WWII - uboat.net. Retrieved 15 April 2016.